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Single Harmonically Driven Electroabsorption Modulator for OTDM Demultiplexing

机译:用于OTDM多路分解的单谐波驱动电吸收调制器

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摘要

Optical demultiplexing from 160 Gbit/s to 10 Gbit/s in a single lumped, electrically driven electroabsorption modulator (EAM) is experimentally presented. A quantum-dash Fabry-Pèrot mode-locked-laser is used to sub-harmonically extract a clock signal from the 160 Gbit/s data stream. A drive signal consisting of a series of harmonics of the recovered clock signal enables error-free demultiplexing of all channels in a 160 Gbit/s single-polarization optical time division multiplexing (OTDM) signal. This technique is quasi-analytically compared with the conventional approach of cascading two EAMs when performing 160 Gbit/s to 10 Gbit/s demultiplexing. The analysis reveals that using a single, harmonically driven EAM can result in lower penalties with respect to both degradations of the extinction ratio and width of pulses used in the OTDM signal.
机译:实验上展示了在单集总,电驱动电吸收调制器(EAM)中从160 Gbit / s到10 Gbit / s的光解复用。量子破折号Fabry-Pèrot锁模激光器用于从160 Gbit / s数据流中次谐波提取时钟信号。由恢复的时钟信号的一系列谐波组成的驱动信号可实现160 Gbit / s单偏振光时分多路复用(OTDM)信号中所有通道的无错解复用。与执行160 Gbit / s至10 Gbit / s多路分解的级联两个EAM的常规方法相比,该技术与准分析相比。分析表明,使用单个谐波驱动的EAM可以降低消光比和OTDM信号中使用的脉冲宽度方面的损失。

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